*{
  margin: 0;
  padding: 0;
  font-family: '微软雅黑';
  user-select: none;
}
html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-size: 16px;
  margin: 0 auto;
  max-width: 750px;
  min-width: 320px;
  background-color: #f2f2f2;
}
ul,li {list-style:none;color: #f2f2f2;}
a {
  text-decoration: none;
}
.active {
  color: red;
}
img {
  border: none;
  max-width: 100%;
  vertical-align: middle;
}

